SInES Tools: SInESthesizer (MIDI-compatible modular synthesizer with sample player, microphone input, and effects)

OSCILLOGRAM (Wave Form)
SPECTRUM (Frequencies)
PARAMETERS & STATE
Press a key ...
Keyboard Controls
Middle Octave: A S D F G H J K (white keys) · W E T Y U (black keys)
Lower Octave: Hold down the left Shift or Ctrl key + key
Higher Octave: Hold down the right Shift or Ctrl key + key
MIDI Keyboard: Just plug it in and play :-)
Factory Presets